Submersible Sump/Effluent PumpThe manual "Eliminator" submersible pump from Little Giant is specifically engineered to handle the tough demanding tasks of wastewater and effluent waste transfer with high efficiency and long term dependability. For residential and light commercial use, the 6E-CIM is ideal. Pump has a 1-1/2" FNPT discharge and a 20' maximum head. Cast iron motor housing is oil-filled for lifetime lubrication and rapid heat dissipation.